Description
Memory leak in direct-io.c in Linux kernel 2.6.x before 2.6.10 allows local users to cause a denial of service (memory consumption) via certain O_DIRECT (direct IO) write requests.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 3.1 | fai-kernels | 1.9.1sarge4 | DSA-1184-2 |
| Debian 3.1 | kernel-source-2.6.8 | 2.6.8-16sarge5 | DSA-1184-2 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 4 | kernel +8 | 2.6.9-42.0.2.EL | RHSA-2006:0617 |
Advisories 2
- RHSA-2006:0617 Red Hat Security Advisory: kernel security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DSA-1184-2 kernel-source-2.6.8 - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
References
- oval:org.mitre.oval:def:10165 vdb-entry signature
- RHSA-2006:0617 vendor-advisory
- 21605 third-party-advisory
- 22174 third-party-advisory
- http://linux.bkbits.net:8080/linux-2.6/cset%404182a613oVsK0-8eCWpyYFrUf8rhLA
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.10
- http://support.avaya.com/elmodocs2/security/ASA-2006-203.htm
- 19665 vdb-entry
- 22093 third-party-advisory
- DSA-1184 vendor-advisory